Photosynthesis brings energy to the biosphere.
the number of individuals in a population
1 megameter = 1,000 km
3g = 3 grams
3 mg = 3 micrograms = 3/1000 grams
Thus 3g is larger than 3 mg.
Ants move small insects called aphids from plant to plant. The aphids are protected by the ants, while the ants feed on sugary honeydew produced by the aphids. What type of relationship is exampled in this scenario?